13520542016 has 14 divisors (see below), whose sum is σ = 26829825690. Its totient is φ = 6760270976.

The previous prime is 13520541989. The next prime is 13520542031. The reversal of 13520542016 is 61024502531.

It can be written as a sum of positive squares in only one way, i.e., 10548111616 + 2972430400 = 102704^2 + 54520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13520542016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105629171 + ... + 105629298.

Almost surely, 2^13520542016 is an apocalyptic number.

13520542016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13520542016 is a deficient number, since it is larger than the sum of its proper divisors (13309283674).

13520542016 is an equidigital number, since it uses as much as digits as its factorization.

13520542016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211258481 (or 211258471 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 13520542016 in words is "thirteen billion, five hundred twenty million, five hundred forty-two thousand, sixteen".